Intestinal vitamin B12 absorption in the dog. 3. Demonstration of the intracellular pathway of absorption by light and electron microscope autoradiography.
D000818:Animals; D001345:Autoradiography; D002462:Cell Membrane / Q000378:metabolism; D004285:Dogs; D004721:Endoplasmic Reticulum / Q000378:metabolism; D006056:Golgi Apparatus / Q000378:metabolism; D007082:Ileum / Q000378:metabolism*; D007408:Intestinal Absorption; D008854:Microscopy, Electron; D014805:Vitamin B 12 / Q000378:metabolism*
D014805:Vitamin B 12